Swash/drift Aligned Beaches

Question 1

Name 2 types of beach ?

Answer 1

Swash aligned beach

Drift aligned beach

Question 2

Swash aligned beach

Answer 2

Oriented parallel to incoming wave crest

Minimal LSD

Irregular coastline - LSD hindered

Waves hit sections of coast head on

Question 3

Drift aligned beach

Answer 3

Oriented parallel to direction of dominant LSD

Lots of sediment transported long distances

Fairly regular coastline

Wave direction is at angle to beach

Question 4

Why is idea of equilibrium significant for drift aligned beaches ?

Answer 4

Without continual supply of sediment the LSD would remove the sediment faster that it was deposited - feedback